package com.atguigu.gulimall.order.config;
import feign.RequestInterceptor;
import feign.RequestTemplate;
import org.springframework.context.annotation.Bean;
import org.springframework.context.annotation.Configuration;
import org.springframework.web.context.request.RequestContextHolder;
import org.springframework.web.context.request.ServletRequestAttributes;
import javax.servlet.http.HttpServletRequest;
/**
 * @author houChen
 * @date 2022/2/3 17:20
 * @Description:  谷粒商城feign请求的相关配置
 */
@Configuration
public class GuliFeignConfig {

    @Bean("requestInterceptor")
    public RequestInterceptor requestInterceptor(){
        return new RequestInterceptor(){

            @Override
            public void apply(RequestTemplate template) {
                //1、RequestContextHolder拿到刚进来的请求
                ServletRequestAttributes requestAttributes = (ServletRequestAttributes)RequestContextHolder.getRequestAttributes();
                if(requestAttributes!=null){
                    HttpServletRequest request = requestAttributes.getRequest(); //老请求
                    if(request!=null){
                        //2、同步请求头数据 cookie
                        String cookie = request.getHeader("cookie");
                        template.header("cookie",cookie);
                    }
                }
            }
        };
    }
}